Welan Gum
Welan gum, bacterial polysaccharide for cement additives. Primary form under HTS 3913.90.20.
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Alternative Classifications
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If prepared chemical additives
Industrial preparations containing gums in 3824.
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Import Tips & Compliance
• Industrial end-use statements
Related Products under HTS 3913.90.20
Hydroxypropyl Methylcellulose (HPMC)
Hydroxypropyl methylcellulose is an inert, viscoelastic polysaccharide derived from cellulose through etherification, widely used in pharmaceuticals for capsule shells and controlled-release formulations. Classified under HTS 3913.90.20 as a modified natural polysaccharide in primary form like powder or granules.
Xanthan Gum
Xanthan gum is a polysaccharide produced by bacterial fermentation of glucose or sucrose, used as a stabilizer in food and oil drilling fluids. It qualifies under HTS 3913.90.20 as a microbial polysaccharide derivative in primary form.
Guar Gum Powder
Guar gum, extracted from guar beans, is a galactomannan polysaccharide used as a natural thickener in hydraulic fracturing and food. Classified in HTS 3913.90.20 as a natural polysaccharide derivative in primary powder form.
Carboxymethyl Guar Gum
Carboxymethyl guar gum is a chemically modified derivative of guar gum polysaccharide, enhancing water solubility for use in cosmetics and oil recovery. HTS 3913.90.20 applies to such polysaccharide derivatives in primary forms.
Hydroxyethyl Cellulose
Hydroxyethyl cellulose is an non-ionic cellulose ether polysaccharide used in paints, cosmetics, and construction. It is a derivative under HTS 3913.90.20 in primary granular or powder form.
Dextran Powder
Dextran is a bacterial polysaccharide used in pharmaceuticals as plasma volume expander. HTS 3913.90.20 covers this microbial derivative in primary form.